Excel's basic formulas work fine for simple calculations, but they quickly become cumbersome when you're dealing with complex data analysis. You end up with nested functions that are hard to read, ...

There are many ways to find and retrieve data from a table or range based on a lookup value. In fact, because Microsoft often comes up with new, modernized alternatives, there are too many ways! So, ...

Handle millions of rows by loading queries into Power Pivot, building relationships, and creating measures for fast variance ...

===== Benchmarks for 3×3 Float64 matrices ===== Matrix multiplication -> 5.9x speedup Matrix multiplication (mutating) -> 1.8x speedup Matrix addition -> 33.1x ...

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